In order to prepare and file your personal tax return, we require your financial documents that summarize your most important information. For most individuals, the deadline set by Canada Revenue Agency (CRA) for filing their personal taxes is April 30, 2018. Failing to file personal taxes by the specified dates will result in penalties and interest on any amount owing. Individuals that are Self-employed individuals and their spouse / common-law partners are the only exception to this deadline. These individuals will have to file their taxes by June 15, 2018.